Home / 144,922.91-199,993.43-80,401.93

Finding the Fourth Proportional to 144,922.91, 199,993.43 and 80,401.93

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Solution

The fourth proportional to 144,922.91, 199,993.43 and 80,401.93 is: 110,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,922.91 : 199,993.43 = 80,401.93 : x
  2. Step 2: Convert to fraction form
    144,922.91/199,993.43 = 80,401.93/x
  3. Step 3: Cross multiply
    144,922.91x = 199,993.43 × 80,401.93
  4. Step 4: Simplify right side
    144,922.91x = 16,079,857,008.08
  5. Step 5: Solve for x
    x = 16,079,857,008.08/144,922.91
  6. Step 6: Final answer
    x = 110,954.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.